Combination liquid cooler and stirrer



June 7,1938. D. FISK 2,120,201

COMBINATION LIQUID COOLER AND STIRRER Filed Jan.y 1.6, 1937 INVENTOR D Fl v/D F/,SK

ATTORNEY Patented June 7, 1938 UNITED STATES PATENT OFFICE cormINA'rroNzlLrzgizJ; cocina AND David Fisk, Astoria, N. Y., assignor to Fisk &

Fish, Inc., New York, N. Y.

Application January 1s, 1937, serial No. 121,027 (ci. cz-l) 4 Claims.

This invention relates to a combination liquid cooler and stirrer intended primarily for use in connection with beverages and other liquids,

cooling medium in changingA from its liquid state to its frozenstate.

In serving drinks, especially in the household, it is desirable to provide means for identifying the glasses or other containers in which the drinks are served so that they may be distinguished with respect to the various individuals served thereby to avoid mixing the glasses when the latter are relled. In accordance with the present invention and in the fulllment of lone of the objects thereof, the combined cooling device and stirrer or a part thereof, preferably the handie, is transparent, and the cooling medium is colored and sufficient in volume, particularly upon the freezing thereof when the cooling medium has a positive coeiilcient of expansion,'to extend into a passage provided in the handle of the device, thus readily distinguishing the latter from other similar devices which may contain cooling liquids of diierent colors. Thus, with a suillcient number of devices containing cooling liquids of various colors, it is possible to identify the glasses or other containers of. the drinks served to a number of individuals.

The above objects of the invention and other objects which might hereinafter appear will best be understood from the following description considered with reference to the accompanying -drawing.

In the drawing:

Fig. l is a side view of a combined liquid cooler and stirrer embodying the present invention, the

cooling liquid being unfrozen;

Fig. 2 is a view similar to Fig. 1, the cooling liquid being frozen;

Fig. 3 is a longitudinal sectional view of the device before it is filled with the cooling liquid;

Fig. 4 is a perspective view of the device immersed in a glass of liquidfor cooling and/or stirring the latter.

Referring to the drawing in detail, the combined liquid cooler and stirrer comprises, in accordance with the preferred embodiment of the invention, a hollow glass member III containing a liquid I2 to be frozen, and a handle I4 consisting of a tubular glass member which has one end I6 sealed to the jwalls of member I0 and in communication with the interior of the latter. 'Ihe opposite end I8 of the tubular member I4 is sealed. As clearly shown in the drawing, handle I4 projects from member I0 and is'consti- Vtuted by a hollow stem having a narrow bore 10 and a substantially smaller volumetric capacity than that of member I0. The quantity of cool ing medium in its liquid or' unfrozen state is such as to substantially fill the member I0 so that upon expansion of said cooling medium in changing from its liquid state to its frozen or solid state extends into the passage in the tubular member IB. Thus the maxium quantity of the cooling medium may beprovided in the device without danger of rupturing the latter when the cooling 2o medium freezes, the passage in the tubular member constituting an. expansion chamberv for the Numerous cooling liquids can be utilized in the present device. Ordinary water may be used, but 25 preferably the cooling medium has a freezing point lower than that of water and within the range of freezing temperatures of the ordinary household articial refrigerator. 'I'he liquid may also have a lcomparatively high latent heat of 3 fusion. Cooling mediums `having such characteristics are well known to those skilled in the art and hence no specific description of the compositions thereof is necessary, although it may be stated that ordinary; brine or salt solutions which have a Ipositive coemcient of expansion,

- that is which-expand upon being frozen, are preferred. Also, in order to accomplish one of the objects of the present invention, it is preferred that the cooling mediums possess a characteristic 40 color and that cooling devices contain cooling mediums of various colors be .provided so that a glass or other container provided with the combined cooler and stirrer may be readily distinguished from other glasses with which such dey vices are used. For convenience in manufacture,

the entire device is made of ordlnaryuncolored glass which is transparent so that the color of the cooling medium can be readily observed, but for the purpose of the present invention it is merely necessary that the device or a part -thereof, preferably the handle I4, be sufllciently transparent and of such color as to permit the various colors of the cooling mediums in several of the devices to be distinguished one from the other. .I

In the manufacture of the above described cooling devices it is convenient to first form the member l0 leavingy openings 20 and 22 therein. Then a length of glass tubing sufllcient to form the handle Il is fused to the walls of the container lll atthe opening 20, after which the free end of said tubing is fused to form the sealed end I8. The number l0 is then filled through the opening 22 with the desired quantity of cooling liquid after which said opening is closed by fusing the wall of the container.

It will be understood that the cooling devices may be made in various shapes and'sizes and may be made of glass in various colors provided preferably that the color of the glass is such as to permit the color of the cooling liquid to be distinguished at least in contrast with the color of the coolingliquid in other similar devices. While the use of cooling mediums having positive coeillcient of expansion is preferred, it is within the scope of the present invention to utilize cooling mediums having negative coefficients of expansion, that is which decrease in volume when changing from a liquid to a frozen or solid state. Substances of this character are described in the patent to Manters et al., 2,039,736, dated May 5. 1936. It will be noticed that the device as a Whole is completely sealed without the use of packing or other liquid sealing materials so that it is impossible for the cooling liquid to leak from the device into the beverage. On the other hand, when the device is made of glass it does not aect the beverage either with respect to taste or otherwise and may remain in the beverage as long as desired. The use and advantages of the device as a stirrer as well as a cooling device are obvious.

Thus it is seen that the device herein shown and described is well adapted to accomplish the several objects of the present invention. It will be understood, however, that while the device as herein disclosed is the preferred embodiment of the invention, the latter may be embodied otherwise than as here shown or described.' Therefore, I do not wish to be limited precisely to the present disclosure except as may be required by the appended claims.

Having thus described my invention, what I claim and desire to secure by Letters Patent is:

l. A combined cooling'device and stirrer comprising a one-piece sealed hollow glass member and an integral glass handle projecting therefrom, said member containing a cooling liquid,

and said handle comprising a stem having a passage in communication at one end thereof with the interior of said hollow member and sealed at its other end, said passage being constituted by an elongated bore of small diameter and of substantially smaller volumetric capacity than that of said hollow glass member.

2. A combined cooling device and stirrer cornprising a one-piece sealed hollow glass member and an integral glass handle projecting therefrom, said member containing a colored cooling liquid, and said handle comprising a narrow elongated stem having a passage in communication at one end thereof with the interior of said hollow -:member and sealed at its other end, said passage being constituted by an elongated bore of small dlameterand of substantially smaller volumetric capacity than that of said hollow glass member, the wall of said passage being sufficiently clear and transparent to enable the color of the cooling liquid to be distinguished from a differently colored cooling liquid in another similar cooling device.

3. A cooling device comprising. a closed hollow one-piece glass member containing'a liquid to be frozen, and handle thereof consisting of a hollow glass tube provided with a narrow bore and having one end sealed to the walls of said member in communication with the interior of the latter, and sealed at its opposite end, said tube having a volumetric capacity substantially smaller than that of said member, the quantity of liquid in said device being sufficient` to partially but not wholly ll said tube when the liquid is frozen.

4. A cooling device comprising a closed hollow one-piece glass member containing a liquid to be frozen, and handle thereof consisting of a hollow glass tube provided with a narrow bore and having one end sealed to the walls of said member in communication with the interior of the latter, and sealed at its opposite end, said tube having a volumetric capacity substantially smaller than that of said member, the quantity of liquid in said device being sufilclent to partially but notv wholly nil said tubev when the liquid is frozen, said liquid being frozen and said glass tube being suiliciently clear and transparent to enable the color of the liquid to be distinguished from a differently colored liquid in another similar cooling device.

' DAVID FISK.

narrow elongated 

